If you purchased online from Autodesk, your subscription will be renewed (US Site) automatically provided that your payment information is up to date and your auto-renewal remains turned on in your Autodesk Account. If you have a non-renewable subscription, before expiry, renewal reminders will be emailed to your Contract Manager. To renew, contact your sales rep or reseller provided in your renewal notification or use the Autodesk Reseller Locator.